2270340

Information

• Patent Grant
• 2270340

• References
• Source

• Patent Number

  2,270,340

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  83 years ago

• CPC

  • B22D17/06 - air injection machines
  • B22D18/04 - Low pressure casting

• US Classifications

  • 164 - Metal founding